555 Timer PRO provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer. Component value calculations for the 555 take into account the supply voltage and timer fabrication (CMOS or Bipolar).
Features include 555 timer synopsis, 22 timer design wizards, counter wizards, output circuitry examples, voltage reference design, best pair resistor substitution, and logic families reference.

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